Freeze-dried powder needle containing lansoprazole
A technology of lansoprazole and freeze-dried powder injection, which is applied in the field of freeze-dried powder injection containing lansoprazole to achieve the effects of prolonging the dissolution time, ensuring stability and reducing degradation
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Embodiment 1
[0042] prescription:
[0043] Raw material name dosage
[0044] Lansoprazole 30g
[0045] Mannitol 100g
[0046] Macrogol 600 45ml
[0047] Appropriate amount of sodium hydroxide
[0048]
[0049] Makes 1000 bottles
[0050] Preparation process: Weigh the prescribed amount of lansoprazole, add it to an appropriate amount of water for injection and stir evenly, add an appropriate amount of sodium hydroxide solution to adjust the pH value of the solution to 11.0, stir until the lansoprazole is completely dissolved, add the prescribed amount of polyethylene glycol Glycol 600, mannitol, stir to dissolve completely, add activated carbon to absorb for 30 minutes, filter to remove carbon, add water for injection to 800ml, perform fine filtration with a 0.22um microporous membrane until the clarity is qualified, intermediate sampling , after passing the test, quantitatively fill in vials, half-press the rubber stopper, put into ...
Embodiment 2
[0052] prescription:
[0053] Raw material name dosage
[0054] Lansoprazole 30g
[0055] Mannitol 50g
[0056] Polyethylene glycol 800 60ml
[0057] Disodium hydrogen phosphate appropriate amount
[0058]
[0059] Makes 1000 bottles
[0060] Preparation process: Weigh the prescription amount of lansoprazole, add it to an appropriate amount of water for injection and stir evenly, add an appropriate amount of sodium hydroxide solution to adjust the pH value of the solution to 10.5, stir until the lansoprazole is completely dissolved, add the prescription amount of polyethylene glycol Glycol 800, mannitol, stir to dissolve completely, add activated carbon to absorb for 20 minutes, filter to remove carbon, add water for injection to 1000ml, use 0.45um microporous membrane for fine filtration until the clarity is qualified, intermediate sampling , after passing the test, quantitatively fill in vials, half-press the rubber stoppe...
Embodiment 3
[0062] prescription:
[0063] Raw material name dosage
[0064] Lansoprazole 30g
[0065] Glucose 15g
[0066] Macrogol 1000 9g
[0067] Appropriate amount of sodium hydroxide
[0068]
[0069] Makes 1000 bottles
[0070] Preparation process: Weigh the prescription amount of lansoprazole, add it to an appropriate amount of water for injection and stir evenly, add an appropriate amount of sodium hydroxide solution to adjust the pH value of the solution to 12.0, stir until the lansoprazole is completely dissolved, add the prescription amount of polyethylene glycol Glycol 1000, glucose, stir to dissolve completely, add activated carbon to absorb for 30 minutes, filter to remove carbon, add water for injection to 1300ml, perform fine filtration with a 0.22um microporous membrane until the clarity is qualified, intermediate sampling, After passing the test, it is quantitatively filled in vials, half-pressed with rubber stoppers, loaded...
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